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Intangible Asset. (Details) | Dec. 31, 2006 USD ($)
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Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible asset value | $ 2,678,000

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- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other. + References No definition available. + Details
Name: | us-gaap_OtherIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant